Polar bears are carnivorous, mostly eating seals, . They also eat Arctic foxes, reindeer, rodents, musk ox, fish, shellfish, eggs and seabirds such as gulls. They have been known to eat beluga whales and even walruses.
The Australian Bureau of Statistics survey reveals households spend an average of $60 each week on fuel for vehicles, and $39 on gas and electricity for their homes. Households in the Northern Territory face the highest total energy costs of any state or territory, with a weekly bill of $110.
Source: U.S. Energy Information Administration, Short-Term Energy Outlook. The average U.S. household is expected to spend about $550 less on gasoline in 2015 compared with 2014, as annual motor fuel expenditures are on track to fall to their lowest level in 11 years.